Allwinner R818 SoC Android Q SDK 1.0 media/libcedarc/vdecoder null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Allwinner R818 SoC Android Q SDK 1.0. It has been rated as problematic. This impacts an unknown function of the file media/libcedarc/vdecoder. This manipulation causes null pointer dereference. This vulnerability appears as CVE-2021-38786. There is no available exploit.
Details
A vulnerability classified as problematic was found in Allwinner R818 SoC Android Q SDK 1.0. Affected by this vulnerability is an unknown function of the file media/libcedarc/vdecoder. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.
The weakness was presented 01/19/2022 as CNVD-2021-49173. The advisory is shared at cnvd.org.cn. This vulnerability is known as CVE-2021-38786 since 08/16/2021. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/16/2021 🔍01/19/2022 🔍
01/19/2022 🔍
01/26/2022 🔍
Sources
Advisory: CNVD-2021-49173Status: Not defined
CVE: CVE-2021-38786 (🔍)
GCVE (CVE): GCVE-0-2021-38786
GCVE (VulDB): GCVE-100-191233
Entry
Created: 01/19/2022 16:07Updated: 01/26/2022 04:24
Changes: 01/19/2022 16:07 (38), 01/26/2022 04:24 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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